net: add rx_handler data pointer

Add possibility to register rx_handler data pointer along with a rx_handler.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index fb20cc5..361ff11 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -979,6 +979,7 @@
 
 	struct netdev_queue	rx_queue;
 	rx_handler_func_t	*rx_handler;
+	void			*rx_handler_data;
 
 	struct netdev_queue	*_tx ____cacheline_aligned_in_smp;
 
@@ -1712,7 +1713,8 @@
 }
 
 extern int netdev_rx_handler_register(struct net_device *dev,
-				      rx_handler_func_t *rx_handler);
+				      rx_handler_func_t *rx_handler,
+				      void *rx_handler_data);
 extern void netdev_rx_handler_unregister(struct net_device *dev);
 
 extern void		netif_nit_deliver(struct sk_buff *skb);